/* 先删除默认的内外边距 */
* {
    margin: 0;
    padding: 0;
}
html {
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;
    font-size: 62.5%;  /* 设置过根节点的文字大小后，所有子节点的文字大小全部相对于根节点计算，html为10px */
  }
  body, input, button, a, textarea, select {
    margin: 0;
    font-family: "Helvetica Neue", Helvetica, "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
    font-size: 1.4rem;
    line-height: 1.5;
    color: #333;
  }
  html, body {
    width: 100%;
    height: 100%;
    margin: 0;
  }

  a {
    text-decoration: none;
  }
  a:hover, a:focus {
    text-decoration: none;
  }
  a:hover {
    filter: alpha(opacity=90);
    opacity: .9;
  }

  /* 文本对齐 */
  .tc {
    text-align: center;
  }

  .tr {
    text-align: right;
  }

  .tl {
    text-align: left;
  }

  /* 主体 */
  .content {
    color:#fff;
    background: #193AA5;
    width:100%;
    height:100vh;
    overflow: hidden
  }
  .bg {
    /* background:url('../img/Bg.jpg') no-repeat center center; */
    /* background-size: cover; */
  }
  .module-box {
    display:flex;
    justify-content: space-between; /*两端对齐*/
    margin:5px;
  }
  .box-size{
    width: 100%;
    height: 35vh;
  }
  .three-parts{
    flex:0 1 33.33%
  }
  .full-box-size{
    width: 90%;
    height: 80vh;
    margin: 0 auto;
  }
